binance_us_cust_cancel_order
Cancel an active custodial trade order. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY Either orderId or origClientOrderId must be provided. Response includes the canceled order details with status: CANCELED
This record as markdown: /tools/nirholas-binance-us-mcp/binance-us-cust-cancel-order.md
What binance_us_cust_cancel_order does on Binance US MCP Server
AI agents call binance_us_cust_cancel_order to permanently remove resources in Binance US MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why binance_us_cust_cancel_order is rated Critical
This tool directly terminates active orders on a financial exchange. While order cancellation is technically reversible in the sense that a new order could be placed, the cancellation itself is an irreversible state change that destroys the original order's active status.
From the tool's definition The tool cancels an active custodial trade order, which is an irreversible action that voids an existing financial order.
Attacks that exploit this kind of access
The rule that runs binance_us_cust_cancel_order safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Binance US MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For binance_us_cust_cancel_order, this is the rule to start with:
binance_us_cust_cancel_order is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Binance US MCP Server, apply this rule, and every binance_us_cust_cancel_order call is checked against it from then on.
Questions about binance_us_cust_cancel_order
Cancel an active custodial trade order. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY Either orderId or origClientOrderId must be provided. Response includes the canceled order details with status: CANCELED. It is categorised as a Destructive tool in the Binance US MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Binance US MCP Server MCP server in PolicyLayer and add a rule for binance_us_cust_cancel_order: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Binance US MCP Server. Nothing to install.
binance_us_cust_cancel_order is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the binance_us_cust_cancel_order rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for binance_us_cust_cancel_order. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
binance_us_cust_cancel_order is provided by the Binance US MCP Server MCP server (nirholas/binance-us-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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